using Microsoft.Extensions.Options;
using SVBotApp.Configuration;
using Telegram.Bot;
using Telegram.Bot.Types;
using Telegram.Bot.Types.Enums;
using Telegram.Bot.Types.ReplyMarkups;

namespace SVBotApp;

public class Worker : BackgroundService
{
    private readonly ILogger<Worker> _logger;
    private readonly BotSettings _botSettings;

    private TelegramBotClient? _botClient = null;

    public Worker(ILogger<Worker> logger, IOptions<BotSettings> botSettings)
    {
        _logger = logger;
        _botSettings = botSettings.Value;
    }

    protected override async Task ExecuteAsync(CancellationToken cancellationToken)
    {
        _botClient ??= new TelegramBotClient(_botSettings.Secret, cancellationToken: cancellationToken);

        _botClient.OnMessage += OnMessageAsync;
        _botClient.OnUpdate += OnUpdateAsync;

        _logger.LogInformation("INITIALIZED");
    }

    private async Task OnUpdateAsync(Update update)
    {
        _logger.LogInformation("UPDATE_RECEIVED => '{update}'", update.Id);

        if (update.Type == UpdateType.CallbackQuery && update.CallbackQuery != null)
        {
            _logger.LogInformation("PROCESS_CALLBACK_QUERY => {id}:{data}", update.CallbackQuery.Id, update.CallbackQuery.Data);
            await _botClient!.EditMessageTextAsync(
                update.CallbackQuery.Message!.Chat.Id,
                update.CallbackQuery.Message.MessageId,
                $"Button pressed: {update.CallbackQuery.Data}",
                replyMarkup: new InlineKeyboardMarkup().AddButton("Step2", "step2"));
            await _botClient!.AnswerCallbackQueryAsync(update.CallbackQuery.Id, string.Empty);
        }
    }

    private async Task OnMessageAsync(Message message, UpdateType updateType)
    {
        if (_botClient == null)
        {
            return;
        }

        _logger.LogInformation("MESSAGE_RECEIVED => '{message}'", message.Text);

        var processingMessage = await _botClient.SendTextMessageAsync(message.Chat.Id, "Processing...", protectContent: true, replyMarkup: new ReplyKeyboardRemove());
        await _botClient.SendChatActionAsync(message.Chat.Id, ChatAction.Typing);

        await Task.Delay(2000);

        var replyMarkup = new ReplyKeyboardMarkup(true)
            .AddButton("Btn 01")
            .AddButton("Btn 02");

        var inlineKeyboard = new InlineKeyboardMarkup()
            .AddButton("Some", "some");

        _  = await _botClient.SendTextMessageAsync(message.Chat.Id, $"""You've wrote: "{message.Text}".""",
            protectContent: true,
            replyParameters: message,
            replyMarkup: inlineKeyboard);
        await _botClient.DeleteMessageAsync(processingMessage.Chat.Id, processingMessage.MessageId);
    }
}